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MSI MEG B550 UNIFY - Debug Code LED Table; Hexadecimal Character Table; Boot Phases

MSI MEG B550 UNIFY
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37


Hexadecimal 0 1 2 3 4 5 6 7 8 9 A B C D E F
Debug Code
LED display
0 1 2 3 4 5 6 7 8 9 A B C D E F
Boot Phases

 – memory initialization
 – main hardware initialization

bootable device (CD/DVD, HDD, USB, Network, Shell, …)


01 Power on. Reset type detection (soft/hard)
02 AP initialization before microcode loading
03 System Agent initialization before microcode loading
04 PCH initialization before microcode loading
06 Microcode loading
07 AP initialization after microcode loading
08 System Agent initialization after microcode loading
09 PCH initialization after microcode loading
0B Cache initialization

 Reserved for future AMI SEC error codes
0E Microcode not found
0F Microcode not loaded

10 PEI Core is started
11 
12 - 14 
15 
16 - 18 
19 
 
2B Memory initialization. Serial Presence Detect (SPD) data reading
 Memory initialization. Memory presence detection
2D Memory initialization. Programming memory timing information

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